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Scientific American, Vol. 9, No. 29 (April 1854) (1854)

leaf 3

An illustration from Scientific American, Vol. 9, No. 29 (April 1854), 1854, leaf 3
needless for us to say then closing said cock at the moment the steam A ia the boiler; B the fire chamber; C the arms, to which the blades are attached, they a single other word in favor of this improve- flue; D the water cock, having a valve which is reduced to the given pressure, by means o{ (the… … the rack of the jack may be raised by the lever one—still, it is very possible that the vehicle ting with it, and consequently with the safety is opened by the pressure of the water from and held by the pawl at any desired point, and may come into favor.—[Exchange. valve chamber, H. The pipe, J,…

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